Uncategorized

  1. Tech

    Aerodynamics for Beginners

    NASA’s Glenn Research Center offers an extensive online tutorial on the basics of aerodynamics. Aimed at elementary and high school teachers, the site provides lots of useful information and has slides and worksheets suitable for classroom use at various levels. Go to: http://www.grc.nasa.gov/WWW/K-12/airplane/bga.html

    By Science News
  2. Materials Science

    Warm Reflections: Window tint kicks in when it’s hot

    A novel window coating automatically transforms into a heat mirror only when warmed above room temperature.

    By Peter Weiss
  3. Earth

    Early Shift: North Sea plankton and fish move out of sync

    As ocean temperatures in the North Sea have warmed in recent decades, the life cycles of some species low in the food chain have accelerated significantly, sometimes wreaking ecological havoc.